This looks like it could be an upstream issue. Could you please file a bug at https://bugzilla.mozilla.org/enter_bug.cgi#h=dupes%7CThunderbird and share the link to it here? Thanks!
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1954587 Title: Thunderbird: Mail preview is cropped To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1954587/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
